355125940 has 24 divisors (see below), whose sum is σ = 803131560. Its totient is φ = 131123328.

The previous prime is 355125919. The next prime is 355125943. The reversal of 355125940 is 49521553.

It can be written as a sum of positive squares in 4 ways, for example, as 56942116 + 298183824 = 7546^2 + 17268^2 .

It is a super-2 number, since 2×355125940² = 252228866521767200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 355125896 and 355125905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355125943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682675 + ... + 683194.

It is an arithmetic number, because the mean of its divisors is an integer number (33463815).

Almost surely, 2^355125940 is an apocalyptic number.

It is an amenable number.

355125940 is an abundant number, since it is smaller than the sum of its proper divisors (448005620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

355125940 is a wasteful number, since it uses less digits than its factorization.

355125940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365891 (or 1365889 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 355125940 is about 18844.7854856456. The cubic root of 355125940 is about 708.1535969648.

The spelling of 355125940 in words is "three hundred fifty-five million, one hundred twenty-five thousand, nine hundred forty".